Year	World Bank (% of population)
2009	1
2010	1.1
2011	1
2012	1.1
2013	1.6
2014	1.6
2015	1.6
2016	1.6
2017	1.8
2018	1.7
2019	1.6
2020	1.6
2021	1.6
2022	1.6